Tara Peterson/Kroy Nernberger (Chaska, MN) qualified for the 2021 Curve US Open of Curling Mixed Doubles playoffs, dropping their quarterfinals match 7-5 against Christine McMakin/Riley Fenson (Bemidji, MN). of the 2021 Curve US Open of Curling Mixed Doubles in Blaine, Minnesota, United States;
 
Peterson/Nernberger finished 3-1 in the 14-team qualifying round. . In their opening game, Peterson/Nernberger defeated Kirstin Nickel/Gabriel Nickel (Robbinsdale, MN) 11-4, then went on to lose 9-2 against Jenna Burchesky/Ben Richardson (New Pond, MA). Peterson/Nernberger responded with a 7-2 win over Tabitha Peterson/Joe Polo (Chaska, MN). Peterson/Nernberger won 7-0 against Daisy MacCallum/Brian Terwedo (Minneapolis , MN) in their final qualifying round match.
 
Peterson/Nernberger ranks 119th overall on the Year-to-Date rankings with 0.000 points earned so far this season.